What Is The Use Of With () And By () Function In R?

1.	What Is The Use Of With () And By () Function In R?
Answer» with() FUNCTION applies an EXPRESSION to a dataset. #with(DATA,expression) By() function applies a function t each LEVEL of a FACTORS. #by(data,factorlist,function) with() function applies an expression to a dataset. #with(data,expression) By() function applies a function t each level of a factors. #by(data,factorlist,function)

Answer»

with() FUNCTION applies an EXPRESSION to a dataset.

#with(DATA,expression)

By() function applies a function t each LEVEL of a FACTORS.

#by(data,factorlist,function)

with() function applies an expression to a dataset.

#with(data,expression)

By() function applies a function t each level of a factors.

#by(data,factorlist,function)

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